#top{
    position: absolute;
    left: 20;
    top: 10;
}

#topbar{
    width: 100%;
    height: 20;
    background-color: aqua;
}
#test{
    color: aqua;
    background-color: black;
}

#speed{
    transform: rotate(-90deg);
    -ms-transform:rotate(-90deg); 	/* IE 9 */
    -moz-transform:rotate(-90deg); 	/* Firefox */
    -webkit-transform:rotate(-90deg); /* Safari 和 Chrome */
    -o-transform:rotate(-90deg); 	/* Opera */
}